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Until now, scientists believed that there were just five invasive species living on Galápagos Islands. However, a study published in the Aquatic Invasions journal has now upped the number to 53.
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New research has found that Antarctic krill would be largely unaffected by the higher levels of ocean acidification predicted for the next 100 to 300 years.
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When American University Environmental Science Prof. Kiho Kim and his student, Carly K. LaRoche sought to find out the status of seagrass meadows in Guam, they discovered that it had decreased in total size by 22 percent between 2004 and 2015.
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Fish often use kelp forests to hide from potential predators. In recent decades, kelp forests have been taken over by invasive, turf-dominated seaweed species.
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During winter, food is scarce and many animals tend to slow down, become dormant and some of them even hibernate.
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Some 70 years after the United States dropped 23 nuclear bombs, Bikini Atoll is slowing blooming to life.
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After studying species interaction at underwater volcanic vents over three years, researchers at the University of Adelaide concluded that fish diversity in the future would be significantly reduced as a result of ocean acidification.
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Beachrock is consolidated carbonate beach sediment in the intertidal zone that forms naturally on many tropical beaches.
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At these sites–located in the Florida Keys the US Virgin Islands and Maui in Hawaii–the degradation of coral reefs has caused sea floor depths to increase.
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An island archipelago in the Arctic, Svalbard’s normal annual average temperature was minus 6.7 degrees Celsius (20 F). Previously, the warmest year was minus 1.8 degrees Celsius (29 F), in 2006. However, temperatures have been steadily climbing.
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The team focussed on a cold-water coral species (Lophelia pertusa) which grows in deep waters, creating elaborate reefs that are hotspots of biodiversity.
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While most research in the field focuses on the impact of ocean acidification on individual species, this study predicts how acidification will affect living habitats such as corals, seagrasses and kelp forests.
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“Having a lot of genetic variants is like buying a lot of lottery tickets,” said lead author Carlos Prada, a Earl S Tupper Post-doctoral Fellow at STRI.
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A team of researchers recorded underwater video around August between 2002 and 2012 every year at 12 sites along a 25-kilometre stretch of coast adjacent to the Solitary Island Marine Park off northern New South Wales.
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An international team found that shallower reefs in Singapore waters rebounded rapidly from a major bleaching episode in 1998, despite experiencing such high levels of sedimentation that underwater visibility was typically less than two metres.
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Influx of CO2 is disrupting fishes' sense of smell, sight and hearing, marine biologists at the University of Exeter finds.
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